<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <p v-for="(value, key, index) in user">
            {{key}} --- {{value}} --- (索引){{index}}
        </p>
    </div>
    <script>
            var vm = new Vue({
                el:'#app',
                data:{
                    user: {
                        id:1,
                        name:'小明',
                        gender:'男'
                    }
                },
                methods:{}
            });
        </script>
</body>
</html>